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748634074489 = 7139769408093
BaseRepresentation
bin10101110010011100001…
…00010110110101111001
32122120100121002100211001
422321032010112311321
544231200310340424
61331530122205001
7105041564432110
oct12711604266571
92576317070731
10748634074489
11269548466694
12101110053761
135579922b902
142833c472c77
1514718a88844
hexae4e116d79

748634074489 has 8 divisors (see below), whose sum is σ = 861737065280. Its totient is φ = 637069900176.

The previous prime is 748634074469. The next prime is 748634074583. The reversal of 748634074489 is 984470436847.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 748634074489 - 223 = 748625685881 is a prime.

It is a super-2 number, since 2×7486340744892 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 748634074489.

It is not an unprimeable number, because it can be changed into a prime (748634074469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384703074 + ... + 384705019.

It is an arithmetic number, because the mean of its divisors is an integer number (107717133160).

Almost surely, 2748634074489 is an apocalyptic number.

It is an amenable number.

748634074489 is a deficient number, since it is larger than the sum of its proper divisors (113102990791).

748634074489 is a wasteful number, since it uses less digits than its factorization.

748634074489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769408239.

The product of its (nonzero) digits is 130056192, while the sum is 64.

The spelling of 748634074489 in words is "seven hundred forty-eight billion, six hundred thirty-four million, seventy-four thousand, four hundred eighty-nine".

Divisors: 1 7 139 973 769408093 5385856651 106947724927 748634074489